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Shanshan Li Lu Shang Bolong Xu Shunhao Wang Kai Gu Qingyuan Wu Yun Sun Qinghua Zhang Hailong Yang Fengrong Zhang Lin Gu Tierui Zhang Huiyu Liu 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2019,131(36):12754-12761
Nanozymes have attracted extensive interest owing to their high stability, low cost and easy preparation, especially in the field of cancer therapy. However, the relatively low catalytic activity of nanozymes in the tumor microenvironment (TME) has limited their applications. Herein, we report a novel nanozyme (PtFe@Fe3O4) with dual enzyme‐like activities for highly efficient tumor catalytic therapy. PtFe@Fe3O4 shows the intrinsic photothermal effect as well as photo‐enhanced peroxidase‐like and catalase‐like activities in the acidic TME, thereby effectively killing tumor cells and overcoming the tumor hypoxia. Importantly, a possible photo‐enhanced synergistic catalytic mechanism of PtFe@Fe3O4 was first disclosed. We believe that this work will advance the development of nanozymes in tumor catalytic therapy. 相似文献
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